/* ========== BLOG FONTS (loaded via <link> in HTML for parallel fetching) ========== */

/* ========== BLOG DESIGN TOKENS ========== */
:root {
  --bg: #1a1a1a;
  --bg-elevated: #222222;
  --bg-card: #2a2a2a;
  --text: #f5f0e8;
  --text-muted: #8b7d6b;
  --accent: #c7603d;
  --accent-dim: rgba(199, 96, 61, 0.15);
  --border: #333333;
  --code-bg: #1e1e1e;
}

/* ========== RESET ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
::selection { background: rgba(199, 96, 61, 0.27); color: var(--text); }

/* ========== NAV ========== */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.blog-nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.blog-nav-back {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
  transition: color 0.3s;
}

.blog-nav-back:hover { color: var(--accent); }

/* ========== BLOG HERO ========== */
.blog-hero {
  padding: 160px 40px 80px;
  max-width: 800px;
  margin: 0 auto;
}

.blog-hero-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.blog-hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 24px;
  font-weight: 400;
}

.blog-hero-meta {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.blog-hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-hero-divider {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 40px 0;
}

.blog-hero-intro {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
  opacity: 0.9;
}

/* ========== ARTICLE BODY ========== */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px 120px;
}

.blog-article h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 30px;
  color: var(--text);
  margin: 64px 0 20px;
  font-weight: 400;
  line-height: 1.3;
}

.blog-article h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 20px;
  color: var(--text);
  margin: 40px 0 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.blog-article p {
  margin-bottom: 20px;
  color: rgba(245, 240, 232, 0.85);
}

.blog-article strong {
  color: var(--text);
  font-weight: 700;
}

.blog-article a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}

.blog-article a:hover { opacity: 0.8; }

/* ========== CALLOUT BOXES ========== */
.callout {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  padding: 24px 28px;
  margin: 32px 0;
  border-radius: 0 8px 8px 0;
}

.callout p { margin-bottom: 0; }

.callout-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

/* ========== FRAMEWORK STEPS ========== */
.framework {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  margin: 36px 0;
}

.framework-title {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  margin-bottom: 24px;
  color: var(--text);
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.step:last-child { margin-bottom: 0; }

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.step-content p {
  font-size: 15px;
  margin-bottom: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== CODE BLOCKS ========== */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin: 24px 0;
  overflow-x: auto;
}

.code-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #d4d4d4;
}

.code-block pre { margin: 0; }

.code-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

/* ========== COMPARISON TABLE ========== */
.comparison {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}

.comparison th {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 2px solid var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 500;
}

.comparison td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: rgba(245, 240, 232, 0.8);
  vertical-align: top;
}

.comparison tr:last-child td { border-bottom: none; }

/* ========== SECTION NUMBERS ========== */
.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

/* ========== ARTICLE FOOTER ========== */
.blog-footer {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 40px 80px;
  border-top: 1px solid var(--border);
}

.author-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.author-info p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ========== RELATED POSTS ========== */
.related-posts {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px 60px;
}

.related-posts h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  color: var(--text);
  font-weight: 400;
  margin-bottom: 24px;
}

.related-posts-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.related-post-card {
  display: block;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid rgba(51, 51, 51, 0.8);
  border-radius: 10px;
  padding: 24px 28px;
  transition: all 0.3s ease;
}

.related-post-card:hover {
  border-color: rgba(139, 125, 107, 0.35);
  background: #2f2f2f;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

.related-post-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}

.related-post-card h4 {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--text);
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 10px;
}

.related-post-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s;
}

.related-post-card:hover .related-post-link {
  color: var(--accent);
}

/* ========== BLOG INDEX PAGE ========== */
.blog-index-hero {
  padding: 160px 40px 0;
  max-width: 800px;
  margin: 0 auto;
}

.blog-index-hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(36px, 5vw, 52px);
  color: var(--text);
  font-weight: 400;
  margin-bottom: 16px;
}

.blog-index-tagline {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 40px;
}

.blog-index-divider {
  width: 60px;
  height: 2px;
  background: var(--accent);
}

.blog-index-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 40px 120px;
}

.blog-index-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.blog-index-card {
  display: block;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid rgba(51, 51, 51, 0.8);
  border-radius: 12px;
  padding: 36px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.blog-index-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #4a7c6f);
  opacity: 0;
  transition: opacity 0.3s;
}

.blog-index-card:hover {
  border-color: rgba(139, 125, 107, 0.35);
  background: #2f2f2f;
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.blog-index-card:hover::before {
  opacity: 1;
}

.blog-index-card-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.blog-index-card-meta span:nth-child(2) {
  color: rgba(51, 51, 51, 0.8);
  font-size: 8px;
}

.blog-index-card h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 26px;
  color: var(--text);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 14px;
}

.blog-index-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.blog-index-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.blog-index-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #4a7c6f;
  background: rgba(74, 124, 111, 0.1);
  padding: 5px 14px;
  border-radius: 16px;
  border: 1px solid rgba(74, 124, 111, 0.2);
  letter-spacing: 0.5px;
}

.blog-index-card-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s;
}

.blog-index-card:hover .blog-index-card-link {
  color: var(--text);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  .blog-hero,
  .blog-article,
  .blog-footer { padding-left: 24px; padding-right: 24px; }
  .blog-nav { padding: 14px 24px; }
  .framework { padding: 24px; }
  .step { flex-direction: column; gap: 10px; }
  .related-posts { padding-left: 24px; padding-right: 24px; }
  .blog-index-hero,
  .blog-index-main { padding-left: 24px; padding-right: 24px; }
  .blog-index-card { padding: 24px; }
}